<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">The following example compiles for me. I guess the trick is in MITK, so you should ask them for help.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style=""><div class="gmail_default" style=""><font face="monospace, monospace">#include <itkCannyEdgeDetectionImageFilter.h></font></div><div class="gmail_default" style=""><font face="monospace, monospace">#include <itkDerivativeImageFilter.h></font></div><div class="gmail_default" style=""><font face="monospace, monospace"><br></font></div><div class="gmail_default" style=""><font face="monospace, monospace">void canny(){</font></div><div class="gmail_default" style=""><font face="monospace, monospace"> typedef itk::Image<float, 3> ImageType;</font></div><div class="gmail_default" style=""><font face="monospace, monospace"> typedef itk::CannyEdgeDetectionImageFilter<ImageType, ImageType> CannyFilter;</font></div><div class="gmail_default" style=""><font face="monospace, monospace"><br></font></div><div class="gmail_default" style=""><font face="monospace, monospace"> CannyFilter::Pointer filter = CannyFilter::New();</font></div><div class="gmail_default" style=""><font face="monospace, monospace">}</font></div><div class="gmail_default" style=""><font face="monospace, monospace"><br></font></div><div class="gmail_default" style=""><font face="monospace, monospace">void derivative(){</font></div><div class="gmail_default" style=""><font face="monospace, monospace"> typedef itk::Image<float, 3> ImageType;</font></div><div class="gmail_default" style=""><font face="monospace, monospace"> typedef itk::DerivativeImageFilter<ImageType, ImageType> DerivativeFilter;</font></div><div class="gmail_default" style=""><font face="monospace, monospace"><br></font></div><div class="gmail_default" style=""><font face="monospace, monospace"> DerivativeFilter::Pointer filter = DerivativeFilter::New();</font></div><div class="gmail_default" style=""><font face="monospace, monospace">}</font></div><div class="gmail_default" style=""><font face="monospace, monospace"><br></font></div><div class="gmail_default" style=""><font face="monospace, monospace">int main(){}</font></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Feb 2, 2016 at 4:59 PM, Joao Ascenso <span dir="ltr"><<a href="mailto:j.ascenso@campus.fct.unl.pt" target="_blank">j.ascenso@campus.fct.unl.pt</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">A simple test I made. Just getting this example <a href="http://docs.mitk.org/nightly/Step01Page.html" target="_blank">http://docs.mitk.org/nightly/Step01Page.html</a> with no use of the filters<br><br><div>Added #include <itkCannyEdgeDetectionImageFilter.h></div><div> #include <itkDerivativeImageFilter.h></div><div><br></div><div><br></div><div>and in the end</div><div><br></div><div><div>void canny(){</div><div><span style="white-space:pre-wrap"> </span>typedef itk::Image<float, 3> ImageType;</div><div><span style="white-space:pre-wrap"> </span>typedef itk::CannyEdgeDetectionImageFilter<ImageType, ImageType> CannyFilter;</div><div><br></div><div><span style="white-space:pre-wrap"> </span>CannyFilter::Pointer filter = CannyFilter::New();</div><div>}</div><div><br></div><div>void derivative(){</div><div><span style="white-space:pre-wrap"> </span>typedef itk::Image<float, 3> ImageType;</div><div><span style="white-space:pre-wrap"> </span>typedef itk::DerivativeImageFilter<ImageType, ImageType> DerivativeFilter;</div><div><br></div><div><span style="white-space:pre-wrap"> </span>DerivativeFilter::Pointer filter = DerivativeFilter::New();</div><div>}</div></div><div><br></div><div><br></div><div>Only with derivative() builds successful and shows image<br><br>added canny() gets the errors </div><div><br></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On 2 February 2016 at 21:25, Dženan Zukić <span dir="ltr"><<a href="mailto:dzenanz@gmail.com" target="_blank">dzenanz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Can you share the source code of the example which uses the Canny filter?</div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Feb 2, 2016 at 4:24 PM, Joao Ascenso <span dir="ltr"><<a href="mailto:j.ascenso@campus.fct.unl.pt" target="_blank">j.ascenso@campus.fct.unl.pt</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">That's what have done. Started a new project, new directory and just using<span style="font-size:12.8px;white-space:pre-wrap"> the canny filter</span> gives me that, but no problems without it.<br>Forget to mention I'm working with MITK.<br><br></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On 2 February 2016 at 21:08, Dženan Zukić <span dir="ltr"><<a href="mailto:dzenanz@gmail.com" target="_blank">dzenanz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">The safest cure for such things is to do a clean rebuild (create new build directory, do cmake and then open .sln file with VS and build). Let us know if you run into problems.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">HTH</div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Feb 2, 2016 at 4:01 PM, Joao Ascenso <span dir="ltr"><<a href="mailto:j.ascenso@campus.fct.unl.pt" target="_blank">j.ascenso@campus.fct.unl.pt</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hello again,<div><br></div><div>For some reason this errors appear in itkSparceFieldLayer.hxx</div><div><div><br></div><div>Error<span style="white-space:pre-wrap"> </span>C2512<span style="white-space:pre-wrap"> </span>'itk::ListNode<itk::Index<3>>': no appropriate default constructor available</div></div><div><div>Error<span style="white-space:pre-wrap"> </span>C2027<span style="white-space:pre-wrap"> </span>use of undefined type 'itk::ListNode<itk::Index<3>>'<span style="white-space:pre-wrap"> </span></div></div><div><span style="white-space:pre-wrap">Error C2227 left of '->Next' must point to class/struct/union/generic type </span></div><div><span style="white-space:pre-wrap">Error C2027 use of undefined type 'itk::ListNode<itk::Index<3>>'</span></div><div><span style="white-space:pre-wrap">Error C2227 left of '->Previous' must point to class/struct/union/generic type </span><span style="white-space:pre-wrap">
</span></div><div><span style="white-space:pre-wrap"><br></span></div><div><span style="white-space:pre-wrap">They are related with the compilation of itk::CannyEdgeDetectionImageFilter. I've been using it so far with no problem.
It started when I run the cmake file again and it complained about Platform Toolset v140 not being installed.
I changed back to v120 to run it and those errors started.</span></div><div><span style="white-space:pre-wrap"><br></span></div><div><span style="white-space:pre-wrap">Generated project again in cmake to make sure it was with Visual Studio 12, same result.
<br></span></div><div><span style="white-space:pre-wrap">Any clues on this?
Thanks</span></div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On 19 January 2016 at 17:05, Joao Ascenso <span dir="ltr"><<a href="mailto:j.ascenso@campus.fct.unl.pt" target="_blank">j.ascenso@campus.fct.unl.pt</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Thank you <span style="font-size:12.8px;white-space:nowrap">Dženan.</span><div><span style="font-size:12.8px;white-space:nowrap"><br></span></div><div><span style="font-size:12.8px;white-space:nowrap">I did some oversampling between slices to solve the problem, with the downside of making it much slower.<br><br></span></div><div><br></div></div><div class="gmail_extra"><div><div><br><div class="gmail_quote">On 18 January 2016 at 21:26, Dženan Zukić <span dir="ltr"><<a href="mailto:dzenanz@gmail.com" target="_blank">dzenanz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Hi Joao,</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">if you are doing Canny filtering in 3D and then looking at 2D slices, the edges are usually not 1 pixel thick. This is because edge for 3D is a surface, and when you slice that surface along anatomical axes the surface will not be orthogonal to the slices in most places. Where surface is orthogonal, you get nice 1 pixel wide intersections. Where surface is parallel to the slice, you get a sizable intersection surface.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Regards,</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Dženan</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Mon, Jan 18, 2016 at 11:47 AM, Joao Ascenso <span dir="ltr"><<a href="mailto:j.ascenso@campus.fct.unl.pt" target="_blank">j.ascenso@campus.fct.unl.pt</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><span style="font-size:12.8px">Hello,</span><div style="font-size:12.8px">I'm working on OCT images (DICOM volume) of the retina and trying to do the segmentation of some layers.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">After doing some noise reduction I'm applying the CannyEdgeDetectionImageFilter, but the result give me thicker edges than should be expected from Canny.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Changing thresholds influences the amount of edges detected but don't improve this issue.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Anyone have came across similar problem? Any suggestion is welcome.<br><br></div><div style="font-size:12.8px">Thank you, </div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><div dir="ltr">João Ascenso</div></div><div><br></div>
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</blockquote></div><br><br clear="all"><div><br></div></div></div><span><font color="#888888">-- <br><div><div dir="ltr">João Ascenso<div><div><div><div><font size="1">Universidade Nova de Lisboa - Faculdade de Ciências e Tecnologias</font></div><div><font size="1">Mestrado Integrado em Engenharia <span style="color:rgb(0,0,0);font-family:sans-serif;line-height:1.2em">Electrotécnica </span>e de Computadores</font></div><div><br></div><div><br></div></div></div></div></div></div>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div><div dir="ltr">João Ascenso<div><div><div><div><font size="1">Universidade Nova de Lisboa - Faculdade de Ciências e Tecnologias</font></div><div><font size="1">Mestrado Integrado em Engenharia <span style="color:rgb(0,0,0);font-family:sans-serif;line-height:1.2em">Electrotécnica </span>e de Computadores</font></div><div><br></div><div><br></div></div></div></div></div></div>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div><div dir="ltr">João Ascenso<div><div><div><div><font size="1">Universidade Nova de Lisboa - Faculdade de Ciências e Tecnologias</font></div><div><font size="1">Mestrado Integrado em Engenharia <span style="color:rgb(0,0,0);font-family:sans-serif;line-height:1.2em">Electrotécnica </span>e de Computadores</font></div><div><br></div><div><br></div></div></div></div></div></div>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div><div dir="ltr">João Ascenso<div><div><div><div><font size="1">Universidade Nova de Lisboa - Faculdade de Ciências e Tecnologias</font></div><div><font size="1">Mestrado Integrado em Engenharia <span style="color:rgb(0,0,0);font-family:sans-serif;line-height:1.2em">Electrotécnica </span>e de Computadores</font></div><div><br></div><div><br></div></div></div></div></div></div>
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